ktvu's noelle walker is live near the scene to explain what led up to the shooting. >> reporter: heather we're on lincoln, which is closed to traffic. i'm going to step out of way so you can see the investigation goes on. i'm told lincoln will be closed for traffic for the next several hours while officers involved this officer-involved shooting. crime scene evidence markers mark the spot at very edge of the city where people come to take in the scenic views. police say money came to break into a car. >> one of our officers witnessed someone trying to break into a vehicle. when he approached that person, the suspect tried to run him over with a vehicle. >> reporter: that is when the u.s. park police officer fired his gun, several times, hitting the suspect vehicle. >> the suspect left the area. we have done a search for the vehicle, but have not yet found it. >> reporter: tonight police set up roadblocks, checking cars, letting only presidio residents through. >> we take the safety of our officers and the visitoors very seriously and at all-times we were looking to as we continue to keep